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backup-to-nextcloud/README.md
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2026-09-13 14:35:46 +01:00

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# backup-to-nextcloud
A simple application that will backup files to Nextcloud.
Designed to be run as a CronJob with a focus on directories containing backup archives (e.g. daily zip files).
## Features
* Define jobs via yaml config
* Optionally clean up files on Nextcloud older than a given age
* Optionally only store the latest X number of files
## Usage
### Example Config
```yaml
nextcloudURL: https://nextcloud.example.com
jobs:
- sourceDirectory: backups/example-daily
destinationDirectory: backups/example
# Optional
maxAge: 168h # 7 days
# Optional
maxItems: 7
```
By default, this loads from `./config.yaml` but the file path can be specified by setting the `NEXTCLOUD_CONFIG_PATH` environment variable.
### Credentials
Generate an app password for your user in Nextcloud then populate the following environment variables:
* `NEXTCLOUD_USER`
* `NEXTCLOUD_PASSWORD`
### Example Kubernetes CronJob
```yaml
apiVersion: batch/v1
kind: CronJob
metadata:
name: backup-to-nextcloud
labels:
app.kubernetes.io/name: backup-to-nextcloud
spec:
schedule: "30 11 * * *" # Run every day at 11:30 AM
jobTemplate:
metadata:
labels:
cronjob: backup-to-nextcloud
spec:
template:
spec:
containers:
- name: backup
image: rg.fr-par.scw.cloud/averagemarcus/backup-to-nextcloud:latest
imagePullPolicy: IfNotPresent
env:
- name: NEXTCLOUD_CONFIG_PATH
value: /config/config.yaml
envFrom:
- secretRef:
name: backup-to-nextcloud-credentials
volumeMounts:
- mountPath: /backup
name: backup-source
- mountPath: /config
name: config
restartPolicy: OnFailure
volumes:
- name: backup-source
persistentVolumeClaim:
claimName: source-to-backup
- name: config
configMap:
name: backup-to-nextcloud-jobs
---
apiVersion: v1
kind: ConfigMap
metadata:
name: backup-to-nextcloud-jobs
data:
config.yaml: |
nextcloudURL: https://nextcloud.example.com
jobs:
- sourceDirectory: /backup/app1
destinationDirectory: /backup/app1
maxAge: 168h
maxItems: 7
---
apiVersion: v1
kind: Secret
metadata:
name: backup-to-nextcloud-credentials
stringData:
NEXTCLOUD_USER: XXXX
NEXTCLOUD_PASSWORD: XXXX
```
## Building from source
With Docker:
```sh
make docker-build
```
Standalone:
```sh
make build
```
## Resources
* [Nextcloud WebDav docs](https://docs.nextcloud.com/server/stable/developer_manual/client_apis/WebDAV/basic.html)
## Contributing
If you find a bug or have an idea for a new feature please [raise an issue](issues/new) to discuss it.
Pull requests are welcomed but please try and follow similar code style as the rest of the project and ensure all tests and code checkers are passing.
Thank you 💛
## License
See [LICENSE](LICENSE)